H01H 2203/054
For redundancy
Official title: for redundancy, e.g. several contact pairs in parallel
H01H2203/054 (For redundancy) appears on 48 US grants and 15 published applications in this corpus.
Search patents in H01H- Granted patents
- 48
- Published applications
- 15
- Assignees
- 41
- Inventors
- 89
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Keyswitch device and keyboard2 Jan 2024US 11,862,415 B2Fujitsu Component Limited
- Magnetically preloaded push button28 Nov 2023US 11,830,684 B2Microsoft Technology Licensing, LLC
- Multipolar switch8 Nov 2022US 11,495,418 B2Apem
- Conductive pattern4 Jan 2022US 11,219,126 B2Nintendo Co., Ltd.
- Keyswitch device and keyboard1 Sep 2020US 10,763,054 B2Fujitsu Component Limited
- Magnetically preloaded push button5 Oct 2023US 2023/0317385 A1Microsoft Technology Licensing, LLC
- Multipolar switch9 Jun 2022US 2022/0181099 A1Apem
- Conductive pattern11 Mar 2021US 2021/0076493 A1Nintendo Co., Ltd.
- Keyswitch device and keyboard12 Nov 2020US 2020/0357581 A1Fujitsu Component Limited
- Seat occupancy sensor13 Sep 2018US 2018/0257513 A1Aisin Seiki Kabushiki Kaisha
Most cited
By later US patents
- Keyboard switch assembly131US 4,527,021 AShin-Etsu Polmer Co., Ltd. · 1985
- Membrane switch124US 4,607,147 AAlps Electric Co., Ltd. · 1986
- Touch switch and contactor therefor121US 4,243,861 ACornelius, Inc. · 1981
- Electronic book and method65US 5,810,604 APioneer Publishing · 1998
- Multi-contact push-button switch having plural prestressed contact members designed to provide plural circuit simultaneous switching inputs57US 3,996,429 ANorthern Electric Company Limited · 1976